$treesway: Difference between revisions
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[[File:de_lake_treesway.gif|thumb|Tree with treesway on de_lake in CS:GO (click on image for gif to play).]] | [[File:de_lake_treesway.gif|thumb|Tree with treesway on de_lake in CS:GO (click on image for gif to play).]] | ||
{{Shaderparam|$treesway|since=Left 4 Dead 2|shader1=VertexLitGeneric}} It is also available in {{tf2}}{{Bms}}{{GMOD}}{{mapbase}}. In {{GMOD}}{{mapbase}}, it can also be used for {{ent|UnlitGeneric}}. | {{Shaderparam|$treesway|since=Left 4 Dead 2|shader1=VertexLitGeneric}} It is also available in {{tf2}}{{Bms}}{{GMOD}}{{mapbase}}. In {{GMOD}}{{mapbase}}, it can also be used for {{ent|UnlitGeneric}}. | ||
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{{MatParam|$treeswaystatic|float|Use a static wind value instead of the values from <code>env_wind</code>. If enabled, <code>env_wind</code> is not required.|only={{tf2}}{{csgo}}{{GMOD}}{{mapbase}}}} | {{MatParam|$treeswaystatic|float|Use a static wind value instead of the values from <code>env_wind</code>. If enabled, <code>env_wind</code> is not required.|only={{tf2}}{{csgo}}{{GMOD}}{{mapbase}}}} | ||
{{MatParam|$treeswaystaticvalues|vector2|Sets the static wind values used by <code>$treeswaystatic</code>, syntax <code>[x y]</code>. Default <code>[0.5 0.5]</code>.|only={{mapbase}}}} | {{MatParam|$treeswaystaticvalues|vector2|Sets the static wind values used by <code>$treeswaystatic</code>, syntax <code>[x y]</code>. Default <code>[0.5 0.5]</code>.|only={{mapbase}}}} | ||
== See Also == | == See Also == | ||
https://gamebanana.com/tuts/12924 - How to achieve a similar effect without <code>$treeSway</code>, on all source engine games | https://gamebanana.com/tuts/12924 - How to achieve a similar effect without <code>$treeSway</code>, on all source engine games | ||
Revision as of 16:06, 12 July 2023
Template:Shaderparam It is also available in 
. In , it can also be used for UnlitGeneric.
$treesway morphs a material around using the parameters of an env_wind entity to give the appearance of tree leaves and foilage blowing in the wind. The subparameters of $treesway determine how much the env_wind entity should affect the morphing, and all of them (except $treeswaystatic) must be specified in order for the effect to work properly. This shader parameter assumes any model using it is facing upwards.
Warning:Due to the way bumped lighting is calculated, $treesway will not sway materials which use $bumpmap.
Note:This shader parameter is disabled by default in the 
SDK. It can re-enabled by modding.
Bug:This shader parameter does not work with $detailtexturetransform. [todo tested in ?]Bug:In , using a shadow-casting projected texture on materials with this parameter will cause flickering. As a workaround, try to keep trees away from where player flashlights can reach. $halflambert may also partially fix the issue. [todo tested in ?]Bug:In , using a shadow-casting projected texture will cause shadows not reacting to $treesway, shadows don't move, expect in . [todo tested in ?]- Todo: What about
$singlepassflashlightand$flashlightnolambert?
Parameters
$treesway
$treeswayheight
$treeswaystartheight
$treeswayradius
$treeswaystartradius
$treeswayspeed
$treeswaystrength
$treeswayscrumblespeed
$treeswayscrumblestrength
$treeswayscrumblefrequency
$treeswayfalloffexp
$treeswayscrumblefalloffexp
$treeswayspeedhighwindmultipler
$treeswayspeedlerpstart
$treeswayspeedlerpend
$treeswaystatic
$treeswaystaticvalues
See Also
https://gamebanana.com/tuts/12924 - How to achieve a similar effect without $treeSway, on all source engine games